Пример #1
0
void CopyWordCounts( WordCount& targetWordCount, WordCount& sourceWordCount, int weight )
{
    for( wciter iwc=sourceWordCount.begin(); iwc!=sourceWordCount.end(); iwc++ )
    {
        if( targetWordCount.find( iwc->first ) == targetWordCount.end() )
            targetWordCount[ iwc->first ] = 0;
        targetWordCount[ iwc->first ] += weight * iwc->second;
    }
}
Пример #2
0
void DumpPositionTable( PositionText& ptext )
{
    for( ptiter ip=ptext.begin(); ip!=ptext.end(); ip++ )
    {
        cout << "DumpPositionTable for key value ='" << ip->first << "'" << endl;
        WordCount* wc = ip->second;
        for( wciter iwc=wc->begin(); iwc!=wc->end(); iwc++ )
        {
            cout << iwc->first << ": " << iwc->second << endl;
        }
    }
}
Пример #3
0
string GetRandWord( WordCount& wordCount, int accumulation )
{
   WordCount wordTable;
   int totalCount = 0;
   // cout << "-----[ RANDOM TABLE ]-----" << endl;
   int terminalWeight = 0;
   if( accumulation > 5 )
   {
       int distance = accumulation - 5;
       terminalWeight = distance * distance * distance;
   }
   for( wciter iwc=wordCount.begin(); iwc!=wordCount.end(); iwc++ )
   {
       totalCount += iwc->second * iwc->second;
       if( iwc->first == BEGIN_KEY || iwc->first == END_KEY )
       {
           totalCount += terminalWeight;
       }
       wordTable[ iwc->first ] = totalCount;
       // cout << totalCount << " " << iwc->first << endl;
   }
   int roll = rand() % totalCount;
   // cout << "  --> roll: " << roll << endl;

   totalCount = 0;
   string word;
   // cout << "-----[ SAME TABLE? ]-----" << endl;
   for( wciter iwc=wordTable.begin(); iwc!=wordTable.end(); iwc++ )
   {
       // cout << iwc->second << " " << iwc->first << endl;
       if( roll <= iwc->second )
       {
           word = iwc->first;
           break;
       }
   }
   // cout << "  --> word: " << word << endl;
   return word;
}
Пример #4
0
string GetMaxWord( WordCount& wordCount )
{
    string word;
    int maxCount = 0;
    for( wciter iwc=wordCount.begin(); iwc!=wordCount.end(); iwc++ )
    {
        // cout << iwc->first << ": " << iwc->second << endl;
        if( iwc->second > maxCount )
        {
            word = iwc->first;
            maxCount = iwc->second;
        }
    }
    return word;
}
// impl by chenshuo
void sort_words_by_frequencies(const WordCount& counts)
{
	typedef std::vector<std::pair<int, WordCount::const_iterator> > FreqList;
	FreqList freq;
	freq.reserve(counts.size());
	for (WordCount::const_iterator it = counts.begin(); it != counts.end(); ++it)
	{
		freq.push_back(make_pair(it->second, it));
	}

	std::sort(freq.begin(), freq.end(), Greater());
	for (FreqList::iterator itr = freq.begin(); itr!=freq.end(); ++itr)
	{
		std::cout << itr->first << '\t' << itr->second->first << '\n';
	}
}